Log file 

Version 0.0-1 2010-01-01
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I begin to write the stam package, beta version 0.0-1.
Following functions were written:
 DateConversion: Conversion between Different Date Format
 stkde.base: Spatio-Temporal Kernel Density Estimation
 stkde:    Spatio-Temporal Kernel Density Estimation with density contours
 stkde.sig: Spatio-Temporal Kernel Density Estimation with Significant P-Value contours
 UorL: Converting all the letters of Character variable into uppercase or lowercase